Finding the Fourth Proportional to 1,671,053,053.36, 2,306,108,502.81 and 918,392,907.61
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Solution
The fourth proportional to 1,671,053,053.36, 2,306,108,502.81 and 918,392,907.61 is: 1,267,412,598.84
Step by Step Solution
- Step 1: Write the proportion equation
1,671,053,053.36 : 2,306,108,502.81 = 918,392,907.61 : x - Step 2: Convert to fraction form
1,671,053,053.36/2,306,108,502.81 = 918,392,907.61/x - Step 3: Cross multiply
1,671,053,053.36x = 2,306,108,502.81 × 918,392,907.61 - Step 4: Simplify right side
1,671,053,053.36x = 2,117,913,693,159,819,776 - Step 5: Solve for x
x = 2,117,913,693,159,819,776/1,671,053,053.36 - Step 6: Final answer
x = 1,267,412,598.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.